5.75 mg of sodium vapour is converted to...

5.75 mg of sodium vapour is converted to sodium ion. If the ionisation energy of sodium is 490 kJ `"mol"^(-1)` and atomic weight is 23 units, the amount of energy needed for this conversion will be

1.96 kJ

1960 kJ

122.5 kJ

0.1225 kJ

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WB JEE PREVIOUS YEAR PAPER|Exercise CHEMISTRY (CATEGORY -III)|5 Videos

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